Ice Forecasts for the Great Lakes
* NOTE: Corrected and/or amended bulletins are listed first *
FICN19 CWIS 291545 Ice forecasts for the Great Lakes issued by Environment Canada at 12:00 p.m. EDT Tuesday 29 April 2025 for today tonight and Wednesday. The next scheduled forecasts will be issued at 12:00 p.m. Wednesday. Western Lake Superior. Open water. CONSOLIDATED rotten thick lake ice in Black Bay, Nipigon Bay and the extreme northeastern section of Thunder Bay. Eastern Lake Superior Whitefish Bay. Open water. North Channel. Open water except 1 tenth thick lake ice along parts of the shores. Northern Lake Huron Northern Georgian Bay. Open water. Southern Lake Huron Lake St. Clair Lake Erie Lake Ontario. Ice free. Southern Georgian Bay. Ice free. Lake Michigan. Ice free. The Lake Michigan ice description has been prepared by the U.S. National Ice Center. End
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